NAD T 775 Service Manual page 62

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M 4 1 0 1
V IDE O 1 IN
C V 1
2
C V _ G N D
S V _ G 7
Y 4
Y_ G 6
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C _ G
C 3
C H 9
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0 1 /8 W 0 1 /8 W
C H G N D V G N D C H G N D C H G N D
V G N D DG N D V G N D
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R 4 1 2 7 2 .2 u 5 0 V
7 5
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V G N D
C 4 1 2 2
2 .2 u 5 0 V
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C 4 1 2 3
2 .2 u 5 0 V +5 V _ V
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R 4 1 3 2
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C 4 1 2 4 4 7
R 4 1 2 1
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4 7 1 /1 6 W R 4 1 2 5
4 7 0 u 1 6 V
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Q 4 1 0 1
2 S A 1 0 3 7 A K
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V G N D
C 4 1 2 5
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C 4 1 2 6 4 7
R 4 1 2 2
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4 7
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1 /1 6 W Q 4 1 0 3
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C
V G N D
C 4 1 2 7
R 4 1 3 4
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R 4 1 3 1
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C 4 1 2 8
R 4 1 2 3
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4 7 0 u 1 6 V
C 4 1 3 0
R 4 1 2 4
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4 7 0 u
1 6 V
C 4 1 0 1
2 .2 u5 0 V
C 4 1 0 2
R 4 1 0 1 R 4 1 0 2 2 .2 u5 0 V
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C 4 1 0 3
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C 4 1 0 4
R 4 1 0 3 R 4 1 0 4 2 .2 u5 0 V
7 5 7 5
1 /1 6 W 1 /1 6 W
V G N D V G N D
C 4 1 0 5
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2 .2 u5 0 V +5 V _ V +5 V _ V
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1 /1 6 W 1 /1 6 W
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V G N D V G N D
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C 4 1 0 7 R 4 1 0 9
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2 S C 4 6 9 5
B C E
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4 7 0 u 1 6 V 7 5 1 /1 6 W E Q 4 1 0 9
2 S A 1 0 3 7 A K E
B C C
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Q 4 1 0 8
Q 4 1 1 0
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2 S A 1 0 3 7 A K C +5 V _ V
R 4 1 4 3
B
1 0 k
V G N D V G N D
C 4 1 0 9 D4 1 0 3 D4 1 0 4
2 .2 u5 0 V LL4 1 4 8 LL4 1 4 8
R 4 1 4 4
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R 4 1 4 5
C
1 0 0 k
C 4 1 1 0
R 4 1 1 1 R 4 1 1 2 +5 V _ V +5 V _ V
2 .2 u5 0 V
7 5 7 5 Q 4 1 1 5
1 /1 6 W 1 /1 6 W
DTC 1 2 3 E K A
E
R 4 1 1 3 R 4 1 1 4
V G N D DG N D
V G N D
1 0 0 1 0 0
C 4 1 1 1
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R 4 1 1 5
7 5 1 /1 6 W
Q 4 1 1 3
E
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R 4 1 1 6
C 4 1 1 2
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B C C E
B
Q 4 1 1 2 Q 4 1 1 4
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2 S A 1 0 3 7 A K
R 4 1 4 6
1 0 k B
C 4 1 1 3
V G N D V G N D
2 .2 u5 0 V
D4 1 0 5 D4 1 0 6
LL4 1 4 8 LL4 1 4 8
R 4 1 4 7
1 0 k
R 4 1 4 8
C 4 1 1 4 C
R 4 1 1 7 R 4 1 1 8 2 .2 u5 0 V 1 0 0 k
7 5 7 5
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Q 4 1 1 6
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V G N D
V G N D E
DG N D
C 4 1 1 5
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R 4 1 1 9
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R 4 1 2 0
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C
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1 5 O U TA 1 2
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E C 4 1 3 2
R 4 1 3 6
DG N D
1 4 O U TA 2 3
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7 5
1 0 0 0 u
Q 4 1 0 4
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2 S C 4 6 9 5 1 0 V 1 3 O U TB 1 4
IN B
C E
1 2 O U TB 2 5
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B
1 1 6
R 4 1 3 5
1 k 1 0 0 k
D4 1 0 2 1 0 O U TC 1 IN C 7
C 9 O U TC 2 8
LL4 1 4 8 G N D
B
Q 4 1 0 6
DTC 1 2 3 E K A
E
DG N D
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C 4 1 4 1 U 4 1 0 2
4 7 u
B A 7 6 6 0 F S
5 0 V
R 4 1 3 9
4 7 0 k
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1 6 V C C 1
M U TE
1 5 O U TA 1 2
IN A
R 4 1 5 7
1 4 O U TA 2 3
6 8 1 /1 6 W G N DA
1 3 O U TB 1 4
IN B
1 2 O U TB 2 5
G N DB
R 4 1 4 0
4 7 0 k
1 1 6
1 0 O U TC 1 7
IN C
9 O U TC 2 8
G N D
B
C 4 1 4 2
V G N D
0 .0 1 u
5 0 V
DG N D
+5 V _ V
R 4 1 4 2
1 0 0
C 4 1 4 6
R 4 1 5 1
R 4 1 6 0
E 1 0
7 5 1 /1 6 W 4 7 0 u 1 6 V
B
C 4 1 4 7
C Q 4 1 1 8 R 4 1 5 2
B
2 S A 1 0 3 7 A K
1 0
C 4 1 4 3 2 .2 u 5 0 V
V G N D
0 .0 1 u
5 0 V
DG N D
JP4 1 0 2 A JP4 1 0 2 B
Ju m per W ire
F rom U 4 1 0 2 to M 4 1 0 8
V G N D V G N D
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+5 V _ V
C 4 1 1 7 C 4 1 1 8
4 7 u 0 .1 u
U 4 1 0 3
5 0 V 5 0 V
7 4 H C 4 0 5 1
DG N D DG N D
1 I/O _ 4 1 6
V C C
V G N D
2 I/O _ 6 1 5
I/O _ 2
C 4 1 2 9
R 4 1 3 7
3 C O M _ O /I 1 4
4 7 0 k I/O _ 1
4 7 0 u 1 6 V
4 I/O _ 7 1 3
I/O _ 0
5 I/O _ 5 1 2
I/O _ 3
6 IN H 1 1
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7 V E E 1 0
B
R 4 1 3 8
8 G N D 9
C
4 7 0 k
+5 V _ V
DG N D
V G N D
C 4 1 1 9 C 4 1 2 0
4 7 u 0 .1 u
U 4 1 0 4
5 0 V 5 0 V
7 4 H C 4 0 5 1
V G N D
DG N D DG N D
1 I/O _ 4 1 6
V C C
2 I/O _ 6 1 5
I/O _ 2
C 4 1 4 5
3 C O M _ O /I 1 4 4 0 5 1 _ A
I/O _ 1
4 7 0 u 1 6 V
4 I/O _ 7 1 3 4 0 5 1 _ B
I/O _ 0
5 I/O _ 5 1 2 4 0 5 1 _ C
I/O _ 3
6 IN H 1 1 4 0 5 1 _ A _ M
A
7 V E E 1 0 4 0 5 1 _ B _ M
B
8 G N D 9 4 0 5 1 _ C _ M
C
V 3 O _ M U TE
DG N D
V 4 O _ M U TE
+5 V _ V
C 4 1 3 4 C 4 1 3 5
4 7 u 0 .1 u
U 4 1 0 5
5 0 V 5 0 V
7 4 H C 4 0 5 1
DG N D DG N D
1 I/O _ 4 1 6
V G N D V C C
2 I/O _ 6 1 5
I/O _ 2
C 4 1 3 9
3 C O M _ O /I 1 4
I/O _ 1
4 7 0 u 1 6 V
4 I/O _ 7 1 3
I/O _ 0
5 I/O _ 5 1 2
I/O _ 3
6 IN H 1 1
A
7 V E E 1 0
B
V G N D
8 G N D 9
C
+5 V _ V
DG N D
C 4 1 3 7 C 4 1 3 8
4 7 u 0 .1 u
U 4 1 0 6 5 0 V 5 0 V
7 4 H C 4 0 5 1
DG N D DG N D
1 I/O _ 4 1 6
V C C
2 I/O _ 6 1 5
I/O _ 2
C 4 1 4 0
3 C O M _ O /I 1 4
I/O _ 1
4 7 0 u 1 6 V
4 I/O _ 7 1 3
I/O _ 0
5 I/O _ 5 1 2
I/O _ 3
6 IN H 1 1
A
7 V E E 1 0
B
8 G N D 9
C
DG N D
JP4 1 0 3 A JP4 1 0 3 B JP4 1 0 4 A JP4 1 0 4 B
Ju m per W ire Ju m per W ire
F rom U 4 1 0 1 to U 4 1 0 3 F rom U 4 1 0 2 to U 4 1 0 5
V G N D DG N D V G N D DG N D
+5 V _ V
C 4 1 5 2 C 4 1 5 3
1 0 u 0 .1 u
1 6 V
U 4 1 0 7
H E F 4 0 9 4 B T DG N D
4 1
Q 1 S TR O B E
4 0 9 4 (1 )_ DA TA
5 2
Q 2 DA TA
4 0 9 4 (1 )_ C LK
6 3
Q 3 C LO C K
7 1 5
Q 4 O /P_ E N A B LE
1 4
Q 5
1 3
Q 6
1 2
Q 7
1 1
Q 8
R 4 1 6 1 R 4 1 6 2
9
Q S
0 0
1 0
Q S
DG N D
+5 V _ V
J4 1 0 1 A
To C O N N #1 J4 1 0 1 B
+5 V _ V 1
DG N D 2
4 0 9 4 (2 )_ S TB _ M C U 3
4 0 9 4 (1 )_ DA TA _ M C U
4
4 0 9 4 (1 )_ C LK _ M C U 5
V G N D 6
C V B S _ V 6 _ IN 7
V G N D 8
S _ V 6 _ IN _ Y 9
V G N D 1 0
S _ V 6 _ IN _ C 1 1
V G N D 1 2
C V B S _ O U T 1 3
V G N D 1 4
C V B S _ M O N _ O U T
1 5
V G N D 1 6
S _ O U T_ Y 1 7
V G N D 1 8
S _ O U T_ C 1 9
V G N D 2 0
S _ C _ M O N 2 1
V G N D 2 2
S _ Y_ M O N 2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
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DG N D V G N D